Bukvitsa

In the Slavonic it occupies, as jest, the 6th place of the Bukvitsa as well as of the Cyrillic scheme, and has two softening forms as finals (-er, -eri) toward the close of the alphabet.

Source: wiktionary

Scripts such as Bukvitsa (an adaptation of Glagolitic and Cyrillic), Elbasan, Buthakiikye, Argyrokastron or Veso Bei's script (old Albanian alphabets), Pamphylian and Lydian (Asianic languages), Tagbanua, Mangyan, lloco, Pangasinan, Pampangan and Buhil (Philippine Islands), Passipa and Uighur of Mongolia, the latter a transitional alphabet derived from Nestorian, Sogdian (Eastern Turkestan) and Balti (Tibet) have not been included.

Source: wiktionary

In the Slavic Orthodox tradition, the Glagolitic script and early books preserved in it were perceived as an inalienable part of Orthodox Christianity. Hence, Orthodox churchmen called it 'Bukvitsa,' a name derived from the East Slavic word for 'letter' (bukva).

Source: wiktionary

The hierarchy of the Russian Orthodox Church declared Slavic writings (Bukvitsa, Runes, etc.) to be black magic and demonic writings; the result of which was the loss by the Slavic people of the ability to learn the ancestral experience of their Ancestors.

Source: wiktionary